Intel Xeon Phi 3120P vs AMD EPYC 7251
We compared two server CPUs: Intel Xeon Phi 3120P with 57 cores 1.1GHz and AMD EPYC 7251 with 8 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
AMD EPYC 7251 's Advantages
Released 4 years late
Higher specification of memory (2400 vs 4)
Higher base frequency (2.1GHz vs 1.1GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (120W vs 300W)
Score
General Parameters
Jun 2013
Release Date
Jun 2017
PCIe
Manufacturer
AMD
Server
Type
Server
Knights Corner
Core Architecture
Naples
PCIe x16
Socket
AMD Socket SP3
N/A
Integrated Graphics
N/A
Xeon Phi (Knights Corner)
Generation
EPYC (Zen (Naples))
Package
5 billions
Transistor Count
4.8 billions
22 nm
Manufacturing Process
14 nm
300 W
Power Consumption
120 W
-
Peak Operating Temperature
81 °C
Intel
Foundry
GlobalFoundries
350 mm²
Die Size
213 mm²
CPU Performance
1.1 GHz
Performance Core Base Frequency
2.1 GHz
0
Performance Core Turbo Frequency
2.9 GHz
57
Total Core Count
8
228
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
11.0
Multiplier
21.0
32 K per core
L1 Cache
96 K per core
512 K per core
L2 Cache
512 K per core
-
L3 Cache
32 MB shared
No
Unlocked Multiplier
Yes
1
SMP
2
Memory Parameters
DDR3,DDR4
Memory Types
DDR4-2400
Max Memory Channels
8
Yes
ECC Memory Support
Yes
Miscellaneous
-
PCIe Version
3
